8480980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13679}}^1$

素因数の和:13719

約数の個数: 24

約数和(自身を含む): 18385920

約数和(自身を除く): 9904940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13679, 27358, 54716, 68395, 136790, 273580, 424049, 848098, 1696196, 2120245, 4240490, 8480980]

約数ペア:

[(1, 8480980), (2, 4240490), (4, 2120245), (5, 1696196), (10, 848098), (20, 424049), (31, 273580), (62, 136790), (124, 68395), (155, 54716), (310, 27358), (620, 13679)]